Home / 188,025.25-259,474.85-103,142.52

Finding the Fourth Proportional to 188,025.25, 259,474.85 and 103,142.52

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Solution

The fourth proportional to 188,025.25, 259,474.85 and 103,142.52 is: 142,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,025.25 : 259,474.85 = 103,142.52 : x
  2. Step 2: Convert to fraction form
    188,025.25/259,474.85 = 103,142.52/x
  3. Step 3: Cross multiply
    188,025.25x = 259,474.85 × 103,142.52
  4. Step 4: Simplify right side
    188,025.25x = 26,762,889,905.62
  5. Step 5: Solve for x
    x = 26,762,889,905.62/188,025.25
  6. Step 6: Final answer
    x = 142,336.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.